1. & (1997). Phrasal translation and query expansion techniques for cross-language information retrieval. In Working Notes of the AAAI Spring Symposium on Cross-Language Text and Speech Retrieval, Stanford, CA.
2. Retrieved October 4, 2005, from http://www.ee.umd.edu/medlab/filter/sss/papers/ballesteros.ps
3. & (1998). Resolving ambiguity for crosslanguage retrieval. Proceedings of the 21st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (pp. 64–71). New York: ACM.
4. (2002). Chinese information extraction techniques. Lecture Notes at the 2002 Summer School on Intelligent Media and Information Processing (SSIMIP-2002), National University of Singapore, Singapore.
5. Retrieved October 4, 2005, from http://www.comp.nus.edu.sg/˜pris/summer_school/materials/hhchen-cie.pdf